微机控制室的危险源有哪些？
参考答案：
微机控制室的危险源有电源线及连接插口。
I once thought Jonna was a good student, for she often got a high mark but ________ she was found
out to often cheat in examinations.[ ]
A. actually
B. truly
C. surely
D. mostly
制定中 * * 党的最低纲领，即民主革命纲领是中共( )
A．一大 B．二大 C．三大 D．四大
